Engine position - power doom

[Romo]

Originally Posted by swamp2

I think I am going to revise my thoughts on the PD being cosmetic. I forgot how large the airbox on this beast is an how much room it takes above the cylineder banks. The airbox on the 335i is nicely tucked way up toward the firewall. All of my past comments in this thread about engine heights is probably correct but I lost sight of the AIRBOX. It is not totally apparent from this pic below (M3 v. 335i) that the airbox indeed sits well above the hood line without the PD but I suspect it probably does indeed. I guess we'd really need a side shot to prove it 100%.

That`s what I meant, I talked about "air filter", meaning airbox, couldn`t find an apropriate translation


Don`t know for sure; the 8 throtthle valves are wright up the engine, so it takes more room. Look close to the air filter, it has roughly the same maesurements like the PD. So it sticks out, and yet there are the EU safety maesures to follow, so even more room is needed.
It is a little bit off speculation, but it`s the best explanation I can give you.
I agree that cosmetic reasons are evident, but still think there is also a safety item in it; BMW did a fine job and combined them perfectly.

[Dieselino]

Originally Posted by aerisolphaln

40mm is 4cm, which is obviously less than half of 10cm.
10cm is about 4 inches, 4cm is closer to 2 inches.

Cheers from the friendly neighborhood anesthesiologist who uses the metric system in America.

I guess I am missing the point of this thread, I know that 25.4mm is 1 inch. In the automotive world no one uses cm for measurements, everything is in mm.

[Dieselino]

Originally Posted by The CSL

I read 10cm on a topic Google returned. Not my own evidence.

All your information is correct just the dimensions were off. Cheers

[13eastie]

The doom/dome looks terrible - straight out of Max Power...

[GregW / Oregon]

Originally Posted by 2m3

Is the power doom of the engine hood to accomodate the height of the engine? if yes, why is the engine sits higher than the engine of 335i?

With shorter engine stroke, the height of the V8 supposedly lower than the inline 6 of the 335i?

My opinion is, though the wart may have some function, it's mainly there to differentiate the M3 from standard 3s. BMW seems to be trying harder to do this with the E92 than the E46--front & rear fascias, mirrors, CF roof, gills, etc.

[Dleo]

Originally Posted by The Boat

power doom= getting your ass kicked by a 706 fwhp rsx!!!!!!!!1

this kid is hilarious...

[Romo]

Originally Posted by GregW / Oregon

My opinion is, though the wart may have some function, it's mainly there to differentiate the M3 from standard 3s. BMW seems to be trying harder to do this with the E92 than the E46--front & rear fascias, mirrors, CF roof, gills, etc.

Look again at the size off the airbox, and than again the dimension off the PD..................that is not too difficult.......................see what I mean...

Cosmetics, all true, they are combined....................

[The CSL]

Originally Posted by The Boat

power doom= getting your ass kicked by a 706 fwhp rsx!!!!!!!!1

And yet your car would have its ass handed to it on the Nordschleife.

Any idiot can drag race, hardly skillful is it, going though the gears in a straight line.

[MisterBMW]

Originally Posted by Dleo

this kid is hilarious...

[2m3]

Looking at the pics posted by swamp2, I see only one airbox on the left side (driver side). If not mistaken, the V8 from 5 (540 e39) series have one airbox on each side.

DO you think space constraint only limit for one airbox? Do you think 2 airboxes will improve intake even better?

[ksfrogman]

Just as an interesting aside, the E60 M5 does not use a power dome, nor does the Hartge E90 V10.

The E90 I6 N52 has just enough clearance for the strut bar, which in turn, rests against the hood thermal insulation pad.

[2m3]

Originally Posted by The Boat

power doom= getting your ass kicked by a 706 fwhp rsx!!!!!!!!1

no, actually it means watching a 706 fwhp rsx explode ........

[M3_2010]

Originally Posted by 2m3

Is the power doom of the engine hood to accomodate the height of the engine? if yes, why is the engine sits higher than the engine of 335i?

With shorter engine stroke, the height of the V8 supposedly lower than the inline 6 of the 335i?

E46 M3 power dome looks fine. On the new M3 it looks a little too much...?
They should tone it down if it does not serve any usefull function..... Also, are the side vents real on both models?

[The CSL]

Originally Posted by ksfrogman

Just as an interesting aside, the E60 M5 does not use a power dome, nor does the Hartge E90 V10.

The E90 I6 N52 has just enough clearance for the strut bar, which in turn, rests against the hood thermal insulation pad.

Perhaps these regulations weren't in force when these two were introduced?

[bankhead]

Originally Posted by The Boat

power doom= getting your ass kicked by a 706 fwhp rsx!!!!!!!!1

I wonder if this guy would still want to race from a rolling start on the freeway, like the typical honda drivers